In this Feb. 21, 2011 photo, Russ Jennings, left, poses a question to Republican Rep. Ann Marie Buerkle of New York during a town hall meeting in Liverpool, N.Y. Buerkle, like dozens of other freshman members, was sent to Congress on a promise to slash government spending. Now, she and some of her colleagues who visited constituents this week in their home districts are facing reactions ranging from support to mild worry over just the cuts they promised they’d make. (AP Photo/Heather Ainsworth)— AP

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In this Feb. 21, 2011 photo, Russ Jennings, left, poses a question to Republican Rep. Ann Marie Buerkle of New York during a town hall meeting in Liverpool, N.Y. Buerkle, like dozens of other freshman members, was sent to Congress on a promise to slash government spending. Now, she and some of her colleagues who visited constituents this week in their home districts are facing reactions ranging from support to mild worry over just the cuts they promised they’d make. (AP Photo/Heather Ainsworth)
/ AP

WASHINGTON 
President Barack Obama is urging Congress to avoid a government shutdown, saying failure to find common ground on how deeply to slash spending will cause gridlock and stall the economic recovery.

The current budget expires next Friday. That means lawmakers must adopt a new spending plan before the March 4 deadline to keep much of the government from running out of money and closing. The Republican House and Democratic Senate disagree over how much to cut spending.

"For the sake of our people and our economy, we cannot allow gridlock to prevail," Obama said Saturday in his weekly radio and Internet address. "I urge and expect them to find common ground so we can accelerate, not impede, economic growth."

House Republicans have proposed $4 billion in cuts as part of legislation to keep the government functioning through March 18, and they have urged Senate Democrats to accept that approach to avoid closing it down.

Democrats want a short-term extension at current spending levels so the parties can negotiate over how deeply to cut expenditures and begin chipping away at the deficit and the trillions of dollars in accumulated debt.

But House Speaker John Boehner, R-Ohio, insists that a short-term bill without spending cuts is unacceptable.

Democrats have also rejected as draconian a bill the House passed last week to fund government operations through Sept. 30, the end of the budget year, while slashing spending by $61 billion. Obama has threatened to veto that bill.

Both sides have sought to preemptively blame the other if the first government shutdown since 1996 happens next week.

In the weekly Republican message, newly elected Sen. Rob Portman criticized Obama's 2012 budget plan for proposing no changes to entitlement programs, such as Medicare and Medicaid, which are huge contributors to overall government spending.

A former White House budget director, Portman, R-Ohio, urged Congress to make the "tough choices all Americans know are necessary to get our fiscal house in order and strengthen our economy."

"Our goal as Republicans is to make sensible reductions in this spending and create a better environment for job growth, not to shut down the government," he said. "Getting our debt and deficits under control is the first step we can take, and the single most important step Washington can take, to get our economy moving and create the jobs we so badly need."